:root {
  --bg: #f3f7fb;
  --surface: #ffffff;
  --ink: #142033;
  --muted: #5b6b80;
  --blue: #3b6fb6;
  --blue-deep: #2a5085;
  --green: #6cbc4a;
  --orange: #e8832d;
  --line: rgba(20, 32, 51, 0.08);
  --shadow: 0 18px 50px rgba(30, 55, 90, 0.12);
  --radius: 18px;
  --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --display: "Outfit", "Noto Sans SC", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(107, 188, 74, 0.18), transparent 55%),
    radial-gradient(900px 420px at 90% 0%, rgba(59, 111, 182, 0.16), transparent 50%),
    linear-gradient(180deg, #edf4fb 0%, var(--bg) 38%, #eef2f6 100%);
  line-height: 1.65;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }

.wrap {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid var(--line);
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand__mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: #fff;
  font-family: var(--display);
  font-weight: 800;
  background: linear-gradient(135deg, var(--green), var(--blue));
  box-shadow: 0 8px 20px rgba(59, 111, 182, 0.25);
}
.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.brand__text strong { font-size: 16px; }
.brand__text small { color: var(--muted); font-size: 12px; margin-top: 2px; }
.nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}
.nav a:hover { color: var(--blue); }

.hero {
  position: relative;
  padding: 56px 0 36px;
  overflow: hidden;
}
.hero__glow {
  position: absolute;
  inset: auto -10% 20% auto;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 131, 45, 0.16), transparent 70%);
  pointer-events: none;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 36px;
  align-items: center;
}
.eyebrow {
  margin: 0 0 10px;
  color: var(--orange);
  font-family: var(--display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.hero h1,
.section-head h2,
.pay h2,
.contact h2 {
  margin: 0 0 14px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.lead {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  max-width: 34em;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 14px;
  border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--blue-deep));
  box-shadow: 0 10px 24px rgba(42, 80, 133, 0.28);
}
.btn--ghost {
  color: var(--blue-deep);
  background: rgba(255, 255, 255, 0.7);
  border-color: rgba(59, 111, 182, 0.25);
}
.btn--block { width: 100%; }
.trust {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding: 0;
  margin: 28px 0 0;
}
.trust li {
  min-width: 100px;
  padding: 10px 0 0;
  border-top: 2px solid rgba(107, 188, 74, 0.55);
}
.trust span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}
.trust b {
  font-family: var(--display);
  font-size: 22px;
  color: var(--ink);
}
.hero__visual {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: #fff;
  animation: rise 0.8s ease both;
}
.hero__copy { animation: rise 0.7s ease both; }

@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}

.band { padding: 56px 0; }
.band--alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.55), rgba(237, 244, 251, 0.9));
}
.section-head {
  max-width: 720px;
  margin-bottom: 24px;
}
.section-head p:last-child {
  margin: 0;
  color: var(--muted);
}

.panel {
  margin: 0 0 20px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: 0 8px 28px rgba(30, 55, 90, 0.06);
}
.panel img { width: 100%; }
.panel--lift:hover,
.panel--wide:hover {
  box-shadow: var(--shadow);
}
.duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 8px;
}
.feature-grid article {
  padding: 20px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--line);
}
.feature-grid h3 {
  margin: 0 0 8px;
  font-size: 17px;
}
.feature-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.band--pay {
  background:
    linear-gradient(135deg, rgba(42, 80, 133, 0.95), rgba(59, 111, 182, 0.92)),
    url("./images/cases-montage.png") center/cover;
  background-blend-mode: multiply, normal;
  color: #fff;
}
.pay {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: stretch;
}
.band--pay .eyebrow { color: #ffd19a; }
.band--pay .lead,
.band--pay p { color: rgba(255, 255, 255, 0.9); }
.pay-list {
  margin: 18px 0 0;
  padding-left: 1.1em;
  color: rgba(255, 255, 255, 0.92);
}
.pay-list li + li { margin-top: 6px; }
.pay__card {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 18px;
  padding: 24px;
  backdrop-filter: blur(8px);
}
.pay__card h3 { margin: 0 0 12px; }
.pay__card ol {
  margin: 0 0 20px;
  padding-left: 1.2em;
  color: rgba(255, 255, 255, 0.92);
}
.pay__card li + li { margin-top: 8px; }
.band--pay .btn--primary {
  background: linear-gradient(135deg, var(--orange), #d86a14);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

.band--contact { padding-bottom: 40px; }
.contact {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 10px 30px rgba(30, 55, 90, 0.06);
}
.contact dl {
  margin: 0;
  display: grid;
  gap: 14px;
  min-width: 260px;
}
.contact dt {
  color: var(--muted);
  font-size: 12px;
}
.contact dd {
  margin: 4px 0 0;
  font-weight: 700;
}
.contact a { color: var(--blue); }

.footer {
  padding: 20px 0 32px;
  color: var(--muted);
  font-size: 13px;
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

@media (max-width: 900px) {
  .hero__grid,
  .duo,
  .feature-grid,
  .pay,
  .contact {
    grid-template-columns: 1fr;
    display: grid;
  }
  .nav { display: none; }
  .hero { padding-top: 32px; }
  .contact { display: grid; }
}